Home / 7,190.48-10,782.68-2,258.79

Finding the Fourth Proportional to 7,190.48, 10,782.68 and 2,258.79

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Solution

The fourth proportional to 7,190.48, 10,782.68 and 2,258.79 is: 3,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.48 : 10,782.68 = 2,258.79 : x
  2. Step 2: Convert to fraction form
    7,190.48/10,782.68 = 2,258.79/x
  3. Step 3: Cross multiply
    7,190.48x = 10,782.68 × 2,258.79
  4. Step 4: Simplify right side
    7,190.48x = 24,355,798.46
  5. Step 5: Solve for x
    x = 24,355,798.46/7,190.48
  6. Step 6: Final answer
    x = 3,387.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.